Assignee
Inventors
- Tetsuyoshi Ishiwata (3 patents)
- Mikiko Sakurada (7 patents)
- Ayako Nishimura (4 patents)
- Satoshi Nakagawa (16 patents)
- Tatsunari Nishi (25 patents)
- Tetsuro Kuga (14 patents)
- Shigemasa Sawada (3 patents)
- Masami Takei (3 patents)
US Patent 6828428 · Granted Dec 7, 2004